124769772 has 72 divisors (see below), whose sum is σ = 330972096. Its totient is φ = 39585024.

The previous prime is 124769767. The next prime is 124769831. The reversal of 124769772 is 277967421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61608 + ... + 63600.

Almost surely, 2^124769772 is an apocalyptic number.

124769772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124769772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165486048).

124769772 is an abundant number, since it is smaller than the sum of its proper divisors (206202324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124769772 is a wasteful number, since it uses less digits than its factorization.

124769772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087 (or 2082 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 124769772 is about 11170.0390330562. The cubic root of 124769772 is about 499.6928406783.

The spelling of 124769772 in words is "one hundred twenty-four million, seven hundred sixty-nine thousand, seven hundred seventy-two".